Aerco has a comprehensive range of ruggedized fibre optic connectors for deployment in harsh environment applications, such as those in the Military, Aerospace, Rail and Energy markets.
For more information or to request a quote please contact Mark Ogden or ☎ +44(0)1403 260206.
➤ Souriau
➤ Glenair
➤ ITT Cannon
➤ Smiths Interconnect
➤ TE Connectivity

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Elio high density insert with up to 24 size 16 cavity single-mode or multi-mode Elio contacts.
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Elio single-mode or multi-mode contacts with Elio AQ Adaptor for Quadrax #8 cavities.
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Standard MIL-DTL-38999/EN3645 shells without shielding ring (aluminium, composite, stainless steel, bronze).
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Environmental performance as per EN4531 based on MIL-DTL-38999/EN3645.
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Temperature range: - 65°C to +125°C (cable limitation).
MIL-DTL-38999 Datasheet
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Elio AQ adaptor enables an Elio or Eliobeam contact to fit in any #8 cavity.
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Mix optical and electrical signals in the same insert.
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Compatible with standard MIL-DTL-38999 Series III/EN3645 connectors.
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Environmental performance as per MIL-DTL-38999 and EN3645 standard.
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Temperature range: - 65°C to +150°C (cable limitation).
MIL-DTL-38999 with AQ Adaptor Datasheet
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Arinc 801 contacts in standard MIL-DTL-38999/EN3645 shells.
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Environmental performance as per EN4531 based on MIL-DTL-38999/EN3645.
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Temperature range: - 65°C to +125°C (cable limitation)
Arinc 801 Datasheet
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Sealed and screw mating circular connector with 8 contacts. Derived from 838 series.
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Optical technology from aerospace.
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Halogen free.
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Field proven shells for 20 years with fibres. Approved by ABB. Std: BN 411 012, IEC 77 and IEC 571.
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Many types of back shells. High retention system.
838 Elio Datasheet
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Shell derived from VG 95234 and MIL-DTL-5015.
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Railway qualified shell, out door equipment.
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Easy assembly and maintenance, with fast mating and high reliability level.
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4 to 12 way single-mode or multi-mode contacts with 100 mating cycles.
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Reverse bayonet locking.
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IP67 with appropriate back shell
VGE1 Elio Datasheet
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Use with Elio multi-mode contact and Elio AQ Adaptor for Quadrax #8 cavities.
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Compatible with standard Arinc 600 Souriau connector.
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Designed to ensure Elio contact optical performances.
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Many possibilities to mix optical and electrical contact.
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Temperature range: -65°C to +125°C (cable limitation).
Arinc 600 Series Datasheet
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The Elio contact has a specific mating sequence: the cable moves back during the mating. To avoid the mating sequence being disturbed and to ensure the best optical performances, Souriau has developed a dedicated back-shell range for MIL-DTL-38999 Series III/EN3645 Elio connectors.
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There are 4 types of back-shell available. They are compatible with standard electrical MIL-DTL-38999 Series III/EN3645 rear interface.
38999 Back-shells Datasheet
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Contact size equivalent to a #16 contact.
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Anti-rotation of the contact for better vibration withstanding and optical performance.
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Boot-grommet for rear sealing and protection of the cable against excessive bending.
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Compatibility with loose and tight structure cables.
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High level optical performance even after ageing.
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Bayonet locking system: no tool needed for mounting/dismounting.
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Compatible with single-mode and multi-mode cables.
Eliobeam Datasheet
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Robust spring-loaded UPC polish multi-mode optical contact using ST style ferrule, diameter 2.5mm.
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Contact size equivalent to a size 16 contact.
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Anti-rotation of the contact for better vibration withstanding and optical performance.
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Boot-grommet for rear sealing and protection of the cable against excessive bending.
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Bayonet locking system: no tool needed for insertion/extraction.
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Easy cleaning of the contact, no part to remove.
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Sealed contact without back-shell (IP67)..
Elio MM Datasheet
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Robust spring-loaded UPC polish single-mode optical contact using ST style ferrule, diameter 2.5mm.
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Contact size equivalent to a size 16 contact.
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Anti-rotation of the contact for better vibration withstanding and optical performance.
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Boot-grommet for rear sealing and protection of the cable against excessive bending.
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Bayonet locking system: no tool needed for insertion/extraction.
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Easy cleaning of the contact, no part to remove.
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Sealed contact without back-shell (IP67)..
Elio SM Datasheet
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Compact 1.25mm ferrule.
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High density insert.
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Same insertion and extraction tool as electrical contact size 16.
Arinc 801 Termini Datasheet
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Enables the Elio contact to fit in any size 8 Quadrax cavities in several types of connectors.
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Compatible with standard MIL-DTL-38999 Series III/EN3645 connectors.
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Mix optical and electrical signals in the same standard connector.
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No tool needed for contact installation. Easy to clean.
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Male Insert Part No: ELIOAQ6PB, Female Insert Part No: ELIOAQ6SB
Elio AQ Adapter Datasheet

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MIL-DTL-38999 type tight tolerance fibre optic connector.
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Uses Glenair Mil-Qualified 29504/4 and /5 size #16 Precision Ceramic Termini.
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Available materials range from composite thermoplastic, aluminium and stainless steal.
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Shell sizes range from 11 to 25, and the corresponding cavity counts from 2 to 37 channels.
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Single-mode and multimode fibre, from 9/125 to 1000 microns.
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Ultra-low insertion loss values, <.50dB typical.
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Plug and In-Line, Jam Nut and Square Flange Receptacles.
38999 Series III Datasheet
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Nearly double the density of M28876 and D38999.
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Genderless, front release termini.
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1.25mm diameter precision ceramic ferrule and alignment sleeve.
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Precision guide pin mating.
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Removable alignment sleeve module.
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PC and APC polish terminus options.
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Equal optical performance to D38999.
GHD Datasheet
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Genderless terminus design eliminates pin and socket complexity.
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Rear-release size #16 termini.
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2 to 32 Way Optical Contacts.
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Single-mode (1310 and 1550 nm), UPC and APC contacts.
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Multimode (850 and 1300 nm), PC contact.
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Mechanical and environmental performance IAW MIL-DTL-38999 Series III.
ARINC 801 Datasheet
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Half the size and weight of comparable density D38999 connectors.
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Three snap-in, rear release fibre optic termini sizes: #23, #20HD, and #16.
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The smallest mil-aero calibre fibre optic connection system available.
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Single-mode and multi-mode with precision ceramic ferrules.
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0.5 dB typical attenuation.
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1 to 130 channels.
Series 80 Mighty Mouse Datasheet
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Multi-mode and single-mode capable.
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2 to 36 Way Optical Contacts.
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Removable alignment sleeve retainer (ASR) for easy maintenance.
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Rear release precision genderless termini, IAW MIL-PRF-29504/18, /19, /20.
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1.25 mm diameter ceramic ferrules and alignment sleeves.
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Environmental O-Ring sealing on terminus.
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Keyed connectors and termini available for single-mode APC.
NGCON Datasheet
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Low insertion loss genderless, butt-joint termini.
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2.5 mm diameter ceramic ferrules and alignment sleeves.
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4 channel single-mode and multimode configurations.
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Designed to meet the requirements of MIL-PRF-29504/16 and MIL-DTL-83526 Military Specifications.
GFOCA Datasheet
Eye-Beam® GMA Expanded Beam connectors utilize a precision-machined HMA type ball lens insert. These sealed assemblies are easy to clean, and insensitive to contamination—ideally suited for harsh environments where optical connectors are subjected to repeated mating cycles
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Field deployable system for both indoor and outdoor applications.
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Beam expansion dramatically reduces loss due to contamination.
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Large ball lens facilitates easy cleaning.
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Fully inter-mateable with all MIL-DTL-83526/20 and /21 compliant connectors.
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2 and 4-channel insert arrangements.
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Single-mode and multi-mode versions, plus broad support for a wide range of standard and tactical military cables.
Eye-Beam GMA Datasheet
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Qualified MIL-PRF-28876 fibre optic connectors and MIL-PRF-29504 termini.
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Connectors qualified to the complete requirements of MIL-PRF-28876 including plugs, wall-mount receptacles, jam-nut mount receptacles and in-line receptacles.
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Multiple shell sizes and insert arrangements, including 2, 4, 6, 8, 18 and 31 channel layouts.
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Back-shells in straight, 45° and 90° configurations.
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Corrosion-resistant and environmentally sealed.
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Qualified MIL-PRF-29504/14 and /15 pin and socket termini and /3 dummy terminus.
M28876 Datasheet
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All the benefits of an expanded beam connection system built into a versatile terminus.
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Factory-terminated Eye-Beam® GLT termini easily integrated into any connector package.
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Innovative expanded beam lens terminus expands signal 27X from a standard 9.3 micron fibre core.
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Revolutionary design delivers low dB loss (1.5 dB multimode, 2.0 dB single-mode untuned) performance while reducing maintenance, inspection and test costs.
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Ultra-high precision ceramic sleeves and custom designed terminus bodies ensure axial alignment.
Eye-Beam GLT Datasheet
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Size 16 MIL-DTL-38999 series III type fibre optic pin terminus, Part No 181-002.
181-002 Datasheet
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Size 16 MIL-DTL-38999 series III type fibre optic socket terminus, Part No 181-001.
181-001 Datasheet
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Fibre optic pin terminus, size 16. Part No 181-057.
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Fibre optic socket terminus, size 16. Part No 181-075.
181-057/075 Datasheet
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Fibre optic pin terminus, size 20. Part No 181-084.
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Fibre optic socket terminus, Size 20. Part No 181-085.
181-084/085 Datasheet
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Fibre optic pin terminus, size 23. Part No 181-063.
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Fibre optic socket terminus, size 23. Part No 181-064.
181-063/064 Datasheet
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Vinyl dust cap, size 16 pin terminus, Part No 187-019.
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Vinyl dust cap, size 16 socket terminus with cover, Part No 187-029.
187-019/029 Datasheet
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GHD size 18 non-keyed front release genderless terminus, Part No 181-056.
181-056 Datasheet
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GHD size 18 keyed front release genderless terminus for APC polish, Part No 181-047.
181-047 Datasheet
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GHD size 18 dummy terminus, Part No 181-058.
181-058 Datasheet
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Genderless fibre optic termini for Arinc 801 connectors, keyed, rear release. Part No 181-076.
181-076 Datasheet
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MIL-PRF-29504/18 and /20 type NGCON genderless rear-release termini with integrated retention clip and environmental seal. Part no 181-043.
181-043 Datasheet
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Size 16 Fibre Optic Pin Terminus for MIL-PRF-28876 Connectors, Part No 181-039.
181-039 Datasheet
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Size 16 Fibre Optic Socket Terminus for MIL-PRF-28876 Connectors, Part No 181-040.
181-040 Datasheet
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Size 16 Dummy Terminus for MIL-PRF-28876 Connectors, Part No 181-051.
181-051 Datasheet
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Supported in Glenair MIL-DTL-38999 series III type, MIL-DTL-5015 reverse-bayonet type, and Mighty Mouse connector shells.
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Single-mode and multi-mode fibre with UPC or APC polishing supported.
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Accommodates up to 24 fibres in a compact and lightweight ferrule, terminated with ribbon cable.
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One 24 fibre MT ferrule can be packaged in a single size 11 D38999 Series III connector, and four MT ferrules can be combined in one size 17 shell, supporting up to 96 fibres in a single connector.
Series 180-183 MT Ferrule Datasheet

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Size #16 Termini complies with Arinc 801 requirements.
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Low loss termini with precision alignment features.
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Termini designs available in both Pull-Proof and Non-Pull Proof types.
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End-face finishes available in both APC and PC.
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Genderless termini provide a common solution for plug and receptacle applications.
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Scoop-proof design that offers alternate keying positions.
ARC 38999 Style Series III Datasheet
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PHD optical contact system (Including Tuned Contacts).
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All metallic 38999-Style compatible outside dimensions.
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Internal metallic web for EMI shielding and terminus stability.
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Standard 38999-style keys.
PHD 38999 Datasheet
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Conforms to NGCON defence standard.
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2 to 36 Way optical contacts.
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Rear release termini.
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Genderless termini.
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Wall-mount and Jam-Nut receptacle configurations.
NGCON MIL-PRF-62466 Datasheet
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Removable insert for easy access of termini end-face.
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Compatible with single-mode and multi-mode fibre.
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Hermaphroditic design means plugs will mate with an identical plug as well as receptacles.
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Robust design with proven performance and reliability in harsh environments.
FOMC Datasheet
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VG95234 / MIL-DTL-5015 specification.
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UL94 VO fire and smoke standard.
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Ruggedized aluminium shell.
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Single-mode and multi-mode fibre optic capability.
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2 to 12-way variants available.
CIR Datasheet
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Three piece connector features bulkhead feed thru Design in standard 8, 16, 18 and 32 channel configurations.
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PHD optical contact system, with tuned size 22 termini.
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All metallic bodies for radiated emission suppression.
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Internal metallic web for EMI suppression and terminus stability.
PHD Panel Mount Fibre Optic Datasheet
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Single-mode, SMF28, and multi-mode, 62.5/125, variants.
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Removable hood.
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Precision 1.59mm diameter Zirconia ceramic ferrule with alignment sleeve.
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Used in 38999-Style connectors with size 16 cavities.
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Operating temperature range: -65C to +200C.
MIL-DTL-29504/4 and /5 termini Datasheet
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Optical terminus system builds off LC/MU small form factor (SFF) technology:
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1.25mm diameter Zirconia discrete channel ceramic ferrule based.
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Single-mode SMF 28 and multi-mode 62.6/125 compatible.
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APC compatible.
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Removable sleeve inserts allow direct end-face access for terminus cleaning / inspection.
PHD Size 16 & 22 Termini Datasheet
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Low loss termini with precision alignment features.
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Termini designs available in both pull-proof and non-pull Proof types.
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End-face finishes available in both APC and PC.
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Genderless termini provide a common solution for plug and receptacle applications.
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Removable alignment sleeve allows for easy field cleaning.
Cannon’s Arinc 801 Compatible Size #16 Termini Datasheet
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Robust pin and socket design.
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Single-mode and multi-mode applications 62.5/125 and 50/125 µm.
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Connector formats for MIL-DTL-38999, Arinc 600.
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Excellent optical performance.
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Fewer parts, easy termination process.
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Meets or exceeds all applicable requirements of MIL-T-29504.
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Insertion loss: -0.25dB (typical) mated pair.
Physical Contact Termini Datasheet
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Multi-mode applications 50/125 and 62.5/125.
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Insertion loss: 1.0 dB (Typical).
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Increased protection for fibre face.
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Reduced influence from dirt debris and vibration.
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Simple cleaning.
Expanded Beam Termini Datasheet
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Floating design (< -0.5dB), low loss fibre
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Vibration resistant.
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Precision floating ceramic ferrules.
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Stainless steel terminus body
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Designed for use in size 16 cavities of the D38999 Series III connector.
Floating Fibre Termini Datasheet

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5, 8 or 12 way high-performance, optical connectivity for the harshest of environments.
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Insert-to-insert keying assists precision alignment.
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Individually rear insertable/removable optical contacts enable easy assembly.
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Back shells and adapters available for most single and multifibre cable types.
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Precision 2.5mm Zirconia ceramic ferrules and alignment sleeves.
MC3 Datasheet
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Duplex optical fibre connector, based upon shell size 9 Mil-C 38999 Series III.
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Suitable for use with most multimode and singlemode fibres with core diameters of 9 to 200μm.
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Temperature range -65°C to +155°C.
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Precision Zirconia ceramic ferrules and alignment sleeves.
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Sprung loaded optical ferrules ensure physical contact is maintained when the connector is subjected to vibration levels in excess of 30g.
MC4 Datasheet
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High density connectors for sustained performance over a wide range of environmental conditions.
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Compact 1.25 mm precision zirconia ceramic ferrules.
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Extensive range including 1, 2, 4, 6, 8, 10, and 30 positions.
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Simple termination process and tooling.
MC5 Datasheet
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MT ferrules for 12 channels.
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Rear release contact using size 8 extraction tools.
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Retrofit triple rear seal available.
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MIL-DTL-38999 Series III anti-vibration coupling with tri-start thread.
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Interchangeable with MIL-DTL-38999 Series III.
MC6 Datasheet
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Ruggedized Single Channel connector.
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Manufactured from high tensile strength ARCAP non-magnetic alloy, resistant to chemical corrosion, low temperatures and temperature changes.
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Anti-vibration coupling mechanism.
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Common ferrule carriers for the plug and receptacle.
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Easily accessible fibre faces for cleaning purposes.
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RSC-v variant supports APC and tuneable PC interfaces.
RSC, RSC-v Datasheet
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Rugged design for resistance to shock and vibration, moisture, and corrosion.
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100% scoop proof.
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High strength aluminium shells.
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Advanced fluoro-silicone seals to help maximize tear resistance and sealing memory.
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Self-locking threaded coupling for anti-vibration integrity
MIL-DTL-38999 Datasheet
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Inserts for Arinc 404 and 600 connectors support EB and MC5 termini.
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Up to 4 Mini EB termini per insert or 128 per connector.
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Up to 36 standard 1.25 mm MC5 termini per insert.
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Easily removable front insert allows cleaning of the optical faces and replacement of damaged alignment sleeves.
Arinc Datasheet
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1, 2, 4 or 8 fibres in a single connector interface.
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Available in Senior, Junior and Mini connectors.
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Performs consistently and reliably.
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High-cycle resistance of more than 3000 mating cycles.
Pro Beam and M83526/20 and /21 Datasheet
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Single-insert and multi-insert configurations.
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6 standard MC5, 12-position MT ferrule, 4 Arinc 801, or two Arinc 801 termini with five size 22 and two size 22 electrical contacts.
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Lightweight composite housing.
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Colour coded.
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Screw coupling.
DMC-M Datasheet
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Combines Arinc 801 optical termini with the convenience of a D38999 Series III connector style.
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Genderless pull-proof contact design.
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Spring-loaded termini maintain optical contact during shock, vibration, and thermal extremes.
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Compact 1.25-mm ferrule provides a high-density solution—with up to 32 fibres in a size 25 shell.
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Compatibility with standard 38999 back shells and hardware.
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UPC and APC end face finishes for multi-mode and single-mode applications.
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Intermateable with competitive Arinc 801/38999 connectors.
Arinc MC801 Datasheet
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Modular inserts for MC5, MC6 ribbon, and Arinc 801 optical termini and Arinc 801/electrical hybrid.
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Interchangeable modular inserts.
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Easy-to-use insertion/extraction tool.
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Easy access to optical contacts for cleaning and maintenance.
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Complements DMC-M multichannel connectors.
EN4165 Datasheet
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VITA 66.1 multichannel motherboard / daughter card connectors for ruggedized optical backplane Interconnects.
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Provides a high-density, blind-mate optical interconnect in a backplane/daughtercard configuration.
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Up to two MT ferrules per connector, each accommodating up to 24 fibre paths.
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Other options are available using industry standard Arinc 801 fibre terminus and TE’s Expanded Beam, Pro Beam interface in a four-fibre configuration.
VITA 66 Optical Module Datasheet
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Ultra Physical Contact (UPC) termini, using industry standard 2.5-mm ceramic ferrules for use in a variety of Deutsch connectors.
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Single-mode and multi-mode fibre supported.
MC3 Termini Datasheet
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Ultra Physical Contact (UPC) termini, using 1.25mm ceramic ferrule and designed specifically for use in the MC5 connector.
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Single-mode and multi-mode fibre supported.
MC5 Termini Datasheet
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Ultra Physical Contact (UPC) and Angled Physical Contact (APC) termini, using industry-standard 1.25 mm ceramic ferrule and designed for use in MIL-DTL-38999 and Arinc connectors.
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Single-mode and multi-mode fibre supported.
Arinc Termini Datasheet
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Ultra Physical Contact (UPC), size 16 termini designed for use in 38999 circular connectors.
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The ferrule is 1.59 mm in diameter.
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M29504/4 covers the pin terminus and M29504/5 covers the socket terminus.
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Spring-loaded socket terminus maintains consistent contact between mated ferrules.
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Single-mode and multi-mode fibre supported.
MIL-PRF-29504/4 and /5 Termini Datasheet
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Pro Beam Mini, Pro Beam Junior and Pro Beam Senior Expanded Beam inserts.
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Expanded Beam, durable non-contacting interface assures ease of use/cleaning.
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Ball lens expands cross-section area of light over 200 times for multi-mode and over 2000 times for single-mode.
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Rugged hermaphroditic construction.
Expanded Beam Insert Datasheet
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Termini designed to replace existing M29504/4 and /5 physical contact termini that fits the Size 16 AWG cavity of a D38999 III connector.
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Multi-mode and single-mode termini designs.
Pro Beam EB16 Termini Datasheet